2A051N Vol. 3
- 1.
What metric prefix designates the smallest quanity?
- A.
Pico
- B.
Giga
- C.
Nano
- D.
Mega
Correct Answer
A. Pico -
- 2.
Which of these Frequencies is the correct expression for. 0.003 GHz?
- A.
3,000 Hz
- B.
30,000 Hz
- C.
300,000 Hz
- D.
3,000,000 Hz
Correct Answer
D. 3,000,000 Hz -
- 3.
Radio waves travel at
- A.
25,000 nms
- B.
62,000 nms
- C.
125,000 nms
- D.
162,000 nms
Correct Answer
D. 162,000 nms -
- 4.
Which military frequency band designator denotes the highest frequency range?
- A.
Golf
- B.
Foxtrot
- C.
Echo
- D.
Charlie
Correct Answer
A. Golf -
- 5.
If a radar takes 309 microseconds to detect a target, what is the target's range in nautical miles?
- A.
15
- B.
25
- C.
35
- D.
45
Correct Answer
B. 25 -
- 6.
How can the resonant frequency of a resonant cavity be changed?
- A.
Changing the shape of the cavity
- B.
Increasing the reference voltage
- C.
Changing the heater voltage
- D.
Increasing the bias voltage
Correct Answer
A. Changing the shape of the cavity -
- 7.
In a reflex klystron fine frequency, adjustments are made by varying the
- A.
Reference signal
- B.
Reeller voltage
- C.
Heater voltage
- D.
Cavity size
Correct Answer
B. Reeller voltage -
- 8.
Which component forms a pulsed radar system's basic rectangular pulse characteristics?
- A.
Timer
- B.
Modulator
- C.
Power Supply
- D.
Radio Frequency Oscillator
Correct Answer
B. Modulator -
- 9.
Which pulsed radar system component/assembly contains a duplexer that permits transmitting and receiving?
- A.
Antenna
- B.
Modulator
- C.
Sensitive receiver
- D.
Radio Frequency Oscillator
Correct Answer
A. Antenna -
- 10.
Which is NOT considered a requirment for a saturation-jamming transmitter?
- A.
Low cost
- B.
Standardization
- C.
Ease of Operation
- D.
Continuous Transmission
Correct Answer
A. Low cost -
- 11.
The main consideration for saturation jamming is
- A.
Range
- B.
Bandwidth
- C.
Interference
- D.
Power output
Correct Answer
D. Power output -
- 12.
The point at which a radar's return is stronger than the jamming signal is referred to as the
- A.
Crossover point
- B.
Detection threshold
- C.
Maximum jamming point
- D.
Minimum discernible signal point
Correct Answer
A. Crossover point -
- 13.
Which type of saturation jammer achieves continuous amd simultaneous jamming of a wide band of frequencies?
- A.
Spot
- B.
Sweep
- C.
Barrage
- D.
Sequential
Correct Answer
C. Barrage -
- 14.
Which type of saturation jammer james one frequency, then a second frequency, then a third, and so on, for a predetermined period of time?
- A.
Spot
- B.
Sweep
- C.
Barrage
- D.
Sequential
Correct Answer
D. Sequential -
- 15.
Approximately how long does it take electromagnetic energy to travel 1 nautical mile?
- A.
6.2 milliseconds
- B.
6.2 microseconds
- C.
12.4 milliseconds
- D.
12.4 microseconds
Correct Answer
B. 6.2 microseconds -
- 16.
Which deception jamming type makes use of Doppler Shift?
- A.
Range
- B.
Azimuth
- C.
Velocity
- D.
Amplitude
Correct Answer
C. Velocity -
- 17.
The alteration of a carrier wave in accordance with a signal voltage is called
- A.
Modulation
- B.
Inverse gain
- C.
Voltage shift
- D.
Deception jamming
Correct Answer
A. Modulation -
- 18.
Which modulation type, commmon to many electronic warfare transmitters, contains random frequencies with a very wide frequency coverage?
- A.
Noise
- B.
Distortion
- C.
Heterodyning
- D.
Frequency Separation
Correct Answer
A. Noise -
- 19.
The amount of frequency deviation for a frequency-modulated signal is determined by the modulating signal's
- A.
Index
- B.
Amplitude
- C.
Frequency
- D.
Bandwidth
Correct Answer
B. Amplitude -
- 20.
Which is not an advantage of noise modulation?
- A.
It is random in amplitude
- B.
It is distributed uniformly in amplitude
- C.
It has no particular recurring frequency
- D.
It can be distributed uniformly in frequency
Correct Answer
B. It is distributed uniformly in amplitude -
- 21.
The process of combining two signal frequencies in a nonlinear device and producing frequencies equal to the sum and the difference is called
- A.
Mixing
- B.
Detection
- C.
Conversion
- D.
Heterodyning
Correct Answer
D. Heterodyning -
- 22.
The electronic warfare concept dealing with self protection, standoff, escort jamming, and anti-radiation attacks is called force
- A.
Shaping
- B.
Jamming
- C.
Reduction
- D.
Packaging
Correct Answer
D. Packaging -
- 23.
What term is used for the electronic warfare tenet of using the electromagnetic spectrum to the advantage of friendly forces?
- A.
Deny
- B.
Exploit
- C.
Control
- D.
Enhance
Correct Answer
B. Exploit -
- 24.
The electromagnetic warfare componont that involves actions taken to reduce an enemy's use of the electromagnetic spectrum is called electronic
- A.
Attack
- B.
Control
- C.
Support
- D.
Protection
Correct Answer
A. Attack -
- 25.
The primary missle used to destroy surface-to-air missle sites is the
- A.
AGM-65
- B.
AGM-88
- C.
BDU-65
- D.
BDU-88
Correct Answer
B. AGM-88 -
- 26.
What electronic warfare term is NORMALLY associated with radiating or reradiating radio frequency, and is meant to confuse and deceive an enemy's radar system?
- A.
Spoofing
- B.
Jamming
- C.
Decoying
- D.
Chaffing
Correct Answer
B. Jamming -
- 27.
Support Jamming is a component of electronic
- A.
Attack
- B.
Control
- C.
Support
- D.
Protection
Correct Answer
C. Support -
- 28.
The process used to protect aircraft, systems, and facilities from the effects of an electromagnetic (EM) pulse is called
- A.
EM Jamming
- B.
EM hardening
- C.
Barrage jamming
- D.
Deception jamming
Correct Answer
B. EM hardening -
- 29.
Which process ensures radar and communications equipment can operate simultaneously within the radio frequency spectrum without interference?
- A.
Frequency assignment
- B.
Frequency Management
- C.
Frequency de-confliction
- D.
Joint frequency management
Correct Answer
C. Frequency de-confliction -
- 30.
The eectronic warfare (EW)component that provides information required for immediate decisions involving EW operations and other tactical actions is electronic
- A.
Attack
- B.
Control
- C.
Support
- D.
Protection
Correct Answer
C. Support -
- 31.
Which electronic support system uses antennas and receivers to determine the location of an emitter or a signal?
- A.
Panoramic receiver
- B.
Direction Finder
- C.
Audio amplifier
- D.
Pulse analyzer
Correct Answer
B. Direction Finder -
- 32.
Which term is used to describe electronic warfare reconnoitering units or operations?
- A.
Ravens
- B.
Ferrets
- C.
Sparks
- D.
Crows
Correct Answer
B. Ferrets -
- 33.
Which acronym describes electronically monitoring radar emissions to gather intelligence?
- A.
PHOTINT
- B.
COMINT
- C.
HUMINT
- D.
ELINT
Correct Answer
D. ELINT -
- 34.
The normal sequence in which the four radars of an active detection air defense system are used is
- A.
Acquisition, early warning, height finder (HF), and terminal defense.
- B.
Acquisition, HF, early warning, and terminal defense.
- C.
HF, early warning, acquisition, and terminal defense
- D.
Early warning, HF, acquisition, and terminal defense
Correct Answer
D. Early warning, HF, acquisition, and terminal defense -
- 35.
Which radar has the longest range and is used to obtain the first active detection of the attacking force?
- A.
Acquisition
- B.
Early Warning
- C.
Height finding
- D.
Terminal defense
Correct Answer
B. Early Warning -
- 36.
Altitude information is provided by
- A.
Aquisition radar
- B.
Early warning radar
- C.
Height finding radar
- D.
Terminal defense radar
Correct Answer
C. Height finding radar -
- 37.
Generally, which air defense weapons system is encountered first?
- A.
Antiaircraft artillery
- B.
Airborne interceptor
- C.
Surface-to-air missle
- D.
Unmanned aerial vehicle
Correct Answer
B. Airborne interceptor -
- 38.
The airborne fire control radar's two basic modes of operation are target search and target
- A.
Acquisition
- B.
Enhance
- C.
Destroy
- D.
Track
Correct Answer
D. Track -
- 39.
The approximate detection range for the acqusition phase of a surface-to-air missle system is
- A.
1,000 miles
- B.
100 miles
- C.
10 miles
- D.
1 mile
Correct Answer
B. 100 miles -
- 40.
What is the effective range limit for large antiaircraft artillery?
- A.
500 feet
- B.
5,000 feet
- C.
35,000 feet
- D.
55,000 feet
Correct Answer
C. 35,000 feet -
- 41.
Which antiaircraft artillery projectile fuse uses a manual timer and is not vulnerable to countermeasures?
- A.
Radar proximity
- B.
Variable timer
- C.
Slow blow
- D.
Pull-pull
Correct Answer
B. Variable timer -
- 42.
Which electronic warfare (EW) system software is used to perform signal discrimination, target a threat, or elicit jammer responses?
- A.
Misison Data
- B.
Operating system
- C.
Block cycle update
- D.
Operational Flight program
Correct Answer
A. Misison Data -
- 43.
The primary objective of electronic Warface Integrated Reprogramming (EWIR) is to
- A.
Update EW system parameters
- B.
Decrease Air Force combat sortie rates
- C.
Increase combat mission survivability
- D.
Give the US an edge in the "arms race"
Correct Answer
C. Increase combat mission survivability -
- 44.
Following complete software installation in their electronic warfare systems, a unit must report its status by a unit loading message within how many days?
- A.
5 calendar days
- B.
3 calendar days
- C.
5 duty days
- D.
3 duty days
Correct Answer
D. 3 duty days -
- 45.
Which Electronic Warfare Integrated Reprogramming (EWIR) message provides updates of current reprogramming actions including estimated time of completion?
- A.
Status message (STM)
- B.
System Impact Message
- C.
Reprogramming impact message (RIM)
- D.
Maintenance instruction Message (MIM)
Correct Answer
A. Status message (STM) -
- 46.
What is the normal order for sending Electronic Warfare Integrated Reprogramming (EWIR) messages to the field?
- A.
System impact message (SIM), reprogramming impact message (RIM), and implementation message (IMP)
- B.
IMP,RIM, and SIM
- C.
RIM, SIM, and IMP
- D.
RIM, IMP, and SIM
Correct Answer
A. System impact message (SIM), reprogramming impact message (RIM), and implementation message (IMP) -
- 47.
Which Electronic Warfare Integrated Reprogramming (EWIR) message is usually a unit's first knowledge of a threat change?
- A.
Unit Loading Message (ULM)
- B.
System Impact Message (SIM)
- C.
Implementation message (IMP)
- D.
Reprogramming Impact Message (RIM)
Correct Answer
B. System Impact Message (SIM) -
- 48.
Which of these is a means of transmitting digital data and Electronic Warfare Integrated Reprogramming (EWIR) message traffic to operational locations?
- A.
EW data library
- B.
Data Distribution System
- C.
Electronic order of battle database
- D.
Integrated Maintenance Data System
Correct Answer
B. Data Distribution System -
- 49.
Which of these is not a reprogramming exercise category?
- A.
Local
- B.
Remote
- C.
Air Force-directed
- D.
MAJCOM-directed
Correct Answer
B. Remote -
- 50.
Which of these is an Air Force electronic warfare rreprogramming exercise?
- A.
PROUD BYTE
- B.
PACER WARE
- C.
SERENE BYTE
- D.
NEPTUNE BYTE
Correct Answer
C. SERENE BYTE -
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Dec 05, 2015Quiz Edited by
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